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प्रश्न
Name two coloured metal ions.
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उत्तर १
Fe2+, Mn2+
उत्तर २
Cupric (Blue) [Cu2+], Ferric (Yellow) [Fe3+]
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संबंधित प्रश्न
When a metallic oxide is dissolved in water, the solution formed has a high concentration of ____________ ions (H+, h3O+, OH-)
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a metallic hydroxide soluble in excess of NH4OH.
Name a strong alkali.
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Name a metallic hydroxide soluble in excess of NH4OH.
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Write the equation for the following reaction :
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